Home / 502,027.61-692,794.91-287,171.24

Finding the Fourth Proportional to 502,027.61, 692,794.91 and 287,171.24

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Solution

The fourth proportional to 502,027.61, 692,794.91 and 287,171.24 is: 396,294.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,027.61 : 692,794.91 = 287,171.24 : x
  2. Step 2: Convert to fraction form
    502,027.61/692,794.91 = 287,171.24/x
  3. Step 3: Cross multiply
    502,027.61x = 692,794.91 × 287,171.24
  4. Step 4: Simplify right side
    502,027.61x = 198,950,771,934.53
  5. Step 5: Solve for x
    x = 198,950,771,934.53/502,027.61
  6. Step 6: Final answer
    x = 396,294.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.